linux-phytec-fsl

MLK-15125: arm: dts: imx6sx: Fix duplicate name in lcdif

lcdif2 node has a property called "display" and a subnode that is also
called "display", leading to an OF duplicate warning at boot time.

Fix this by changing the subnode's name to "display@1".

Signed-off-by: Cristina Ciocan <cristina-mihaela.ciocan@nxp.com>
(cherry picked from commit 7aa2c6011a8a074b880330a7f3989ea9f23e03b3)